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  <title>Return lots of information about a paradox file</title>
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  <div id="layout-content"><div id="function.px-get-info" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">px_get_info</h1>
  <p class="verinfo">(PECL paradox &gt;= 1.0.0)</p><p class="refpurpose"><span class="refname">px_get_info</span> &mdash; <span class="dc-title">Return lots of information about a paradox file</span></p>

 </div>
 
 <div class="refsect1 description" id="refsect1-function.px-get-info-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>px_get_info</strong></span>
    ( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$pxdoc</code></span>
   ) : <span class="type">array</span></div>

 </div>

  
 <div class="refsect1 parameters" id="refsect1-function.px-get-info-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    
     <dt>
<code class="parameter">pxdoc</code></dt>

     <dd>

      <p class="para">
       Resource identifier of the paradox database
       as returned by <span class="function"><a href="px_new.html" class="function">px_new()</a></span>.
      </p>
     </dd>

    
   </dl>

  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.px-get-info-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   Returns an associated array with lots of information about a paradox
   file. This array is likely to be extended in the future.
  </p>
  <dl>

   
    <dt>
fileversion</dt>

    <dd>

     <p class="para">Version of file multiplied by 10, e.g. 70.</p>
    </dd>

   
   
    <dt>
tablename</dt>

    <dd>

     <p class="para">Name of table as stored in the file. If the database was created
       by pxlib, then this will be the name of the file without the
       extension.</p>
    </dd>

   
   
    <dt>
numrecords</dt>

    <dd>

     <p class="para">Number of records in this table.</p>
    </dd>

   
   
    <dt>
numfields</dt>

    <dd>

     <p class="para">Number of fields in this table.</p>
    </dd>

   
   
    <dt>
headersize</dt>

    <dd>

     <p class="para">Number of bytes used for the header. This is usually 0x800.</p>
    </dd>

   
   
    <dt>
recordsize</dt>

    <dd>

     <p class="para">Number of bytes used for each record. This is the sum of all
       field sizes (available since version 1.4.2).</p>
    </dd>

   
   
    <dt>
maxtablesize</dt>

    <dd>

     <p class="para">
      This value multiplied by 0x400 is the size of a data block in bytes.
      The maximum number of records in a datablock is the integer part of
      (maxtablesize * 0x400 - 8) / recordsize.
     </p>
    </dd>

   
   
    <dt>
numdatablocks</dt>

    <dd>

     <p class="para">
      The number of data blocks in the file. Each data block contains a
      certain number of records which depends on the record size and the data
      block size (maxtablesize). Data blocks may not necessarily be
      completely filled.
     </p>
    </dd>

   
   
    <dt>
numindexfields</dt>

    <dd>

     <p class="para">
      Number of fields used for the primary index. The fields do always start
      with field number 1.
    </p>
   </dd>

   
   
    <dt>
codepage</dt>

    <dd>

     <p class="para">
      The DOS codepage which was used for encoding fields with character data.
      If the target encoding is not set with
      <span class="function"><a href="px_set_targetencoding.html" class="function">px_set_targetencoding()</a></span> this will be the encoding for
      character fields when records are being accessed with
      <span class="function"><a href="px_get_record.html" class="function">px_get_record()</a></span> or
      <span class="function"><a href="px_retrieve_record.html" class="function">px_retrieve_record()</a></span>.
     </p>
    </dd>

   
  </dl>

 </div>


 <div class="refsect1 seealso" id="refsect1-function.px-get-info-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="px_numfields.html" class="function" rel="rdfs-seeAlso">px_numfields()</a> - Returns number of fields in a database</span></li>
    <li class="member"><span class="function"><a href="px_numrecords.html" class="function" rel="rdfs-seeAlso">px_numrecords()</a> - Returns number of records in a database</span></li>
   </ul>
  </p>
 </div>

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